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United States Patent | 6,126,366 |
Lundblad | October 3, 2000 |
An indexible cutting insert for chip-breaking metal machining comprises an upper surface or chip surface, a lower bottom surface which is substantially plane parallel to the upper surface, and at least a side surface extending between the surfaces, which forms an acute angle with the upper surface and an obtuse angle with the bottom surface. The side surface has at least two bulging portions which are intended to function as support surfaces against the support surfaces in an insert seat.
Inventors: | Lundblad; Mikael (Gavle, SE) |
Assignee: | Sandvik AB (Sandviken, SE) |
Appl. No.: | 101896 |
Filed: | July 20, 1998 |
PCT Filed: | January 23, 1997 |
PCT NO: | PCT/SE97/00116 |
371 Date: | July 20, 1998 |
102(e) Date: | July 20, 1998 |
PCT PUB.NO.: | WO97/27019 |
PCT PUB. Date: | July 31, 1997 |
Jan 25, 1996[SE] | 9600266 |
Current U.S. Class: | 407/102; 407/103; 407/113; 407/120 |
Intern'l Class: | B26D 001/00 |
Field of Search: | 407/113,114,115,116,102,103,95,96,104,105 |
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4083645 | Apr., 1978 | Friedline | 407/104. |
5046899 | Sep., 1991 | Nishi. | |
5382118 | Jan., 1995 | Satran et al. | 407/113. |
5441370 | Aug., 1995 | Pantzar et al. | 407/113. |
5443334 | Aug., 1995 | Pantazar. | |
5454670 | Oct., 1995 | Noda et al. | 407/114. |
5779401 | Jul., 1998 | Stallwitz et al. | 407/114. |
5791832 | Aug., 1998 | Yamayose | 407/113. |
Foreign Patent Documents | |||
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0019302 | Jan., 1987 | JP | 407/104. |
WO 94/15741 | Jul., 1994 | WO. |